gradingWiktionary 原文中文grade 的变形来自 ECDICTn.等级，年级，阶段，成绩，程度，坡度，斜坡vt.分等，分级，评分vi.属于某等级，逐渐变化释义（英文）动词 Verbpresent participle and gerund of grade名词 NounA rank or grade.(mathematics) Gradation.The act of reshaping the contour of the landscape so as to provide rainwater drainage around buildings, create lawns and gardens, prepare roadbeds, and so on.(Philippines, education) Ellipsis of grading period.词族派生词（2）color gradingmultigrading相关词（1）grader